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AGE
5
DRILL
Drilling/drill rig
5
GISP
5
GISP2
5
GRIP/GISP/NGRIP
5
Greenland Ice Core Projects
5
Sampling/drilling ice
5
ice/snow
water
DEPTH
4
δ18O
4
Isotope ratio mass spectrometry
2
Accelerator mass spectrometry (AMS)
1
Beryllium-10
1
Calcium
1
Depth
1
bottom/max
1
error
1
maximum/old
1
minimum/young
1
standard deviation
1
top/min
1
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